Extinction Flashcards
1
Q
List 3 factors that determine the conservation status of a species
A
- population size
- reproductive potential
- probability of extinction
2
Q
What are the human factors that lead to extinction?
A
- overharvesting
- hunting
- pollution
- introduction of invasive species
- habitat destruction
3
Q
Natural factors that cause mass extinction
A
- volcanoes
- meteorite impact
- drought
- ice age
4
Q
What biome suffers from unsustainable exploitation?
A
Tropical biome
5
Q
What important function do tropical biomes play?
It prevents?
Controls?
Acts as?
A
Soil erosion
Nutrient loss
local water cycles
Carbon sink
6
Q
What is geographical isolation caused by?
A
A physical barrier that leads to populations becoming separated, which causes speciation.